Home / 126,913.67-190,365.52-52,015.79

Finding the Fourth Proportional to 126,913.67, 190,365.52 and 52,015.79

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Solution

The fourth proportional to 126,913.67, 190,365.52 and 52,015.79 is: 78,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.67 : 190,365.52 = 52,015.79 : x
  2. Step 2: Convert to fraction form
    126,913.67/190,365.52 = 52,015.79/x
  3. Step 3: Cross multiply
    126,913.67x = 190,365.52 × 52,015.79
  4. Step 4: Simplify right side
    126,913.67x = 9,902,012,911.56
  5. Step 5: Solve for x
    x = 9,902,012,911.56/126,913.67
  6. Step 6: Final answer
    x = 78,021.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.